Year	including construction (constant 2010 US$)
1984	9422896049.37644
1985	9123171502.83413
1986	9140381936.42113
1987	8908219289.3217
1988	9626688024.36802
1989	9993563404.75861
1990	10157004209.8662
1991	10233811842.6322
1992	10082349979.3144
1993	9830189302.42556
1994	10293066315.8847
1995	10102493139.7371
1996	10449232710.1532
1997	10744828262.2856
1998	11067787928.8429
1999	11477654826.3674
2000	12294208698.784
2001	12551228860.5058
2002	13197299611.3159
2003	15377537780.0244
2004	16258508027.9669
2005	17663445351.1084
2006	19418756341.138
2007	19651924110.0197
2008	20208154260.6767
2009	19293036139.4288
2010	19366624206.1085
2011	19247767262.1097
2012	18814297859.4218
2013	19159253601.9233
2014	19013786183.0758
2015	18618629998.5328
2016	18040228327.7186
2017	18205356638.794
2018	18792308312.1411